Soot on snow speeds up warming. Here's where it comes from
Human emissions of greenhouse gases are driving rapid warming all over the globe — particularly in the Arctic, where temperatures are rising at about twice the global rate. But there's another form of carbon in the atmosphere that may also be playing a role.
Scientists see huge ice shelf 'flex' for first time
A summer expedition to Antarctica's McMurdo Ice Shelf documented an alarming phenomenon: The massive sheet flexed downward as ice turned to lakes. That can trigger the whole thing to collapse, raising sea levels.
Find your 'climate analog': Tool tracks changes in cities
If global greenhouse gas emissions don't decline soon, the climate in Washington, D.C., could more closely resemble that of today's Greenwood, Miss. Summers may be slightly drier and more than 6 degrees Fahrenheit warmer than they are today.
Northern lakes might emit less carbon than suspected
As the Arctic warms up and the landscape thaws and shifts, scientists have zeroed in on a potentially potent source of greenhouse gases: lakes and other bodies of water.
How climate change may affect winter 'weather whiplash'
There's nothing like a wave of wacky weather to spark discussions about climate change.